Description
Vehicle Fitment & Part Details
The 20520AP is a 5-piece front suspension kit for the Mercedes-Benz C-Class W203 (2000–2008), CLC CL203 (2008–2013), and CLK C209 (2002–2010). This kit includes four control arms (upper and lower pairs) and one stabiliser link, covering the primary front axle wear points. OEM reference 2033301911. Confirm compatibility by matching the listed fitment details, any OEM reference numbers supplied, and VIN/engine/chassis information where variants exist.
Key Details
- SKU
- 20520AP
- Component
- Suspension Kit
- Position
- Front Axle
- Configuration
- 5-Piece Kit
- Brand
- Aplus
- Primary Fitment
- Mercedes-Benz C-Class W203
Kit Contents
| Part Number | Description | Qty | Position |
|---|---|---|---|
| 11610AP | Control Arm | 1 | Front Axle Left |
| 11611AP | Control Arm | 1 | Front Axle Right |
| 12187AP | Control Arm | 1 | Front Axle Right |
| 12188AP | Control Arm | 1 | Front Axle Left |
| 14193AP | Stabiliser Link | 1 | Front |
OEM Reference Numbers
Includes 24 OEM references.
View All OEM References (24)
| Brand | OEM Number |
|---|---|
| Mercedes-Benz | 2033200689 |
| Mercedes-Benz | 2033202189 |
| Mercedes-Benz | 2033202689 |
| Mercedes-Benz | 2033202989 |
| Mercedes-Benz | 2033300111 |
| Mercedes-Benz | 2033300211 |
| Mercedes-Benz | 2033301611 |
| Mercedes-Benz | 2033301711 |
| Mercedes-Benz | 2033301911 |
| Mercedes-Benz | 2033302011 |
| Mercedes-Benz | 2033303311 |
| Mercedes-Benz | 2033303411 |
| Mercedes-Benz | 2033303511 |
| Mercedes-Benz | 2033303611 |
| Mercedes-Benz | 2033303911 |
| Mercedes-Benz | 2033304011 |
| Mercedes-Benz | 2043030379 |
| Mercedes-Benz | 2043180178 |
| Mercedes-Benz | 2043301911 |
| Mercedes-Benz | 2043302011 |
| Mercedes-Benz | 2043303311 |
| Mercedes-Benz | 2043303411 |
| Mercedes-Benz | 2043308711 |
| Mercedes-Benz | 2043308811 |
Product Specifications
| Specification | Value |
|---|---|
| 11610AP / 11611AP Ball Pin Thread | M14x1.5 |
| 11610AP / 11611AP Length | 343 mm |
| 11610AP / 11611AP Cone Size | 16.2 mm / 19.2 mm |
| 12187AP / 12188AP Ball Pin Thread | M14x1.5 |
| 12187AP / 12188AP Length | 343.5 mm |
| 12187AP / 12188AP Cone Size | 16.2 mm / 19.2 mm |
| 14193AP Thread | M12x1.5 |
| 14193AP Length | 277 mm |
Vehicle Fitment
Includes 22 supplied applications.
View Full Vehicle Fitment (22 applications)
| Make | Model | Platform | Engine | kW | From | To |
|---|---|---|---|---|---|---|
| Mercedes-Benz | C180 | W203 | M111.951 | 89.9 kW | 2000 | 2003 |
| Mercedes-Benz | C180K | W203 | M271.946 | 82 kW | 2003 | 2007 |
| Mercedes-Benz | C200K | W203 | M111.955 | 89.9 kW | 2000 | 2003 |
| Mercedes-Benz | C200K | W203 | M271.940 | 82 kW | 2003 | 2007 |
| Mercedes-Benz | C220 CDI | W203 | OM646.963 | 88 kW | 2003 | 2007 |
| Mercedes-Benz | C220 CDI | W203 | OM611.962 | 88 kW | 2001 | 2003 |
| Mercedes-Benz | C230K | W203 | M111.981 | 90.9 kW | 2001 | 2003 |
| Mercedes-Benz | C230K | W203 | M271.948 | 82 kW | 2004 | 2005 |
| Mercedes-Benz | C230 | W203 | M272.920 | 88 kW | 2005 | 2008 |
| Mercedes-Benz | C240 V6 | W203 | M112.912 | 89.9 kW | 2000 | 2007 |
| Mercedes-Benz | C270 CDI | W203 | OM612 | 88 kW | 2000 | 2007 |
| Mercedes-Benz | C280 V6 | W203 | M272.940 | 88 kW | 2005 | 2007 |
| Mercedes-Benz | C320 V6 | W203 | M112.946 | 89.9 kW | 2000 | 2007 |
| Mercedes-Benz | C320 CDI | W203 | OM642 | 83 kW | 2005 | 2007 |
| Mercedes-Benz | CLC200K | CL203 | M271.957 | 82 kW | 2008 | 2013 |
| Mercedes-Benz | CLK55 AMG | C209 | M113.987 | 97 kW | 2002 | 2009 |
| Mercedes-Benz | CLK55 AMG | C209 | M113.987 | 97 kW | 2003 | 2010 |
| Mercedes-Benz | CLK63 AMG | C209 | M156.982 | 102.2 kW | 2006 | 2009 |
| Mercedes-Benz | CLK320 V6 | C209 | M112.955 | 89.9 kW | 2002 | 2010 |
| Mercedes-Benz | CLK350 V6 | C209 | M272.960 | 92.9 kW | 2005 | 2008 |
| Mercedes-Benz | CLK500 V8 | C209 | M113.968 | 97 kW | 2002 | 2006 |
| Mercedes-Benz | CLK500 | C209 | M273.965 | 98 kW | 2006 | 2010 |
Fitment Notes
- Always match OEM reference number(s) and vehicle details before ordering. Confirm exact fitment using VIN, engine code, or chassis number if multiple variants exist.
- This kit covers the Mercedes-Benz W203 C-Class (2000–2008), CL203 CLC (2008–2013), and C209 CLK (2002–2010). All three platforms share front suspension geometry. Verify your vehicle matches the listed model, engine code, and production year before ordering.
Installation / Use / Maintenance Tips
- Replace all front suspension components simultaneously to ensure balanced handling and even tyre wear.
- A four-wheel alignment is required after fitting new control arms.
- Torque all fasteners to Mercedes-Benz specified values using a calibrated torque wrench.
- Inspect front subframe mounting points and bushings for corrosion or damage before installation.
- Check ball joint boots for tears after 20,000 km to maintain joint lubrication.
Common Questions
Will this front suspension kit fit my Mercedes-Benz C-Class W203?
This part (20520AP) is listed for the fitments shown on this page. Confirm by matching the fitment details and verifying VIN/engine/chassis information where variants exist.
What OEM part numbers does this cross-reference?
Cross-reference numbers are listed in the OEM Reference Numbers section above. Match at least one to your original part before ordering.
Does this kit fit the CLK C209 as well?
Yes. The W203 C-Class and C209 CLK share front suspension mounting points. All 5 components in this kit are compatible with both platforms, as well as the CL203 CLC.
What is included?
4 control arms (2 upper, 2 lower) and 1 stabiliser link.
How do I confirm fitment if there are multiple variants?
Use VIN, engine code, and chassis/platform details and compare them to the fitment section above. If unsure, request fitment assistance before ordering.
Important: Product information, kit contents and compatibility are provided as a guide and may contain errors or omissions. Please verify that this part and any included components are correct for your vehicle before installation. For full details see our Website Disclaimer (Errors & Omissions).

